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One of the small, thin-walled spores with flat ends produced by autofragmentation of the vegetative hyphae in certain Eumycetes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.
a small cell into which the hypha of the mycelium of certain imperfect and club fungi disintegrates. The oidium functions as a spore for vegetative reproduction. In heterothallic club fungi, the oidium performs the function of a spermatium in diploidization of the mycelium.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.